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/*
(c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef __SAVAGE4_H__
#define __SAVAGE4_H__
#include <core/gfxcard.h>
#include "mmio.h"
typedef struct {
SavageDeviceData s;
/* state validation */
int v_gbd; /* destination */
int v_pbd; /* source */
int v_color; /* opaque fill color */
/* saved values */
u32 Cmd_Src_Transparent;
u32 Fill_Color;
u32 src_colorkey;
} Savage4DeviceData;
typedef struct {
SavageDriverData s;
} Savage4DriverData;
void
savage4_get_info( CoreGraphicsDevice *device,
GraphicsDriverInfo *info );
DFBResult
savage4_init_driver( CoreGraphicsDevice *device,
GraphicsDeviceFuncs *funcs,
void *driver_data );
DFBResult
savage4_init_device( CoreGraphicsDevice *device,
GraphicsDeviceInfo *device_info,
void *driver_data,
void *device_data );
void
savage4_close_device( CoreGraphicsDevice *device,
void *driver_data,
void *device_data );
void
savage4_close_driver( CoreGraphicsDevice *device,
void *driver_data );
#define CR_MEMCONF 0x31
#define CR_MEMCONF_ENABLE_VGA_16BIT_IO_ACCESS 0x04
#define CR_MEMCONF_ENHANCED_MODE_MEMORY_MAPPING 0x08
#define CR_SYSCONF 0x40
#define CR_SYSCONF_ENABLE_2D_ENGINE_IO_ACCESS 0x01
#define SAVAGE_2D_WRITE_MASK 0x8128
#define SAVAGE_2D_READ_MASK 0x812C
#define SAVAGE_2D_BACKGROUND_MIX 0x8134
#define SAVAGE_2D_FOREGROUND_MIX 0x8136
/* Configuration/Status Registers */
#define SAVAGE_STATUS_WORD0 0x48C00
#define SAVAGE_STATUS_WORD1 0x48C04
#define SAVAGE_STATUS_WORD2 0x48C08
#define SAVAGE_SHADOW_STATUS_ADDRESS 0x48C0C
#define SAVAGE_COMMAND_BUFFER_THRESHOLDS 0x48C10
#define SAVAGE_COMMAND_OVERFLOW_BUFFER 0x48C14
#define SAVAGE_COMMAND_OVERFLOW_BUFFER_POINTERS 0x48C18
#define SAVAGE_VERTEX_BUFFER_ADDRESS 0x48C20
#define SAVAGE_BCI_POWER_MANAGEMENT 0x48C24
#define SAVAGE_TILED_SURFACE0 0x48C40
#define SAVAGE_TILED_SURFACE1 0x48C44
#define SAVAGE_TILED_SURFACE2 0x48C48
#define SAVAGE_TILED_SURFACE3 0x48C4C
#define SAVAGE_TILED_SURFACE4 0x48C50
#define SAVAGE_ALTERNATE_STATUS_WORD0 0x48C60
#define SAVAGE_ALTERNATE_STATUS_WORD1 0x48C64
/* Wait for fifo space */
static inline void
savage4_waitfifo(Savage4DriverData *sdrv, Savage4DeviceData *sdev, int space)
{
uint32 slots = MAXFIFO - space;
volatile u8 *mmio = sdrv->s.mmio_base;
sdev->s.waitfifo_sum += space;
sdev->s.waitfifo_calls++;
if ((savage_in32(mmio, SAVAGE_ALTERNATE_STATUS_WORD0) & 0x001fffff) > slots) {
do {
sdev->s.fifo_waitcycles++;
} while ((savage_in32(mmio, SAVAGE_ALTERNATE_STATUS_WORD0) & 0x001fffff) > slots);
}
else {
sdev->s.fifo_cache_hits++;
}
}
/* Wait for idle accelerator */
static inline void
savage4_waitidle(Savage4DriverData *sdrv, Savage4DeviceData *sdev)
{
sdev->s.waitidle_calls++;
while ((savage_in32(sdrv->s.mmio_base, SAVAGE_ALTERNATE_STATUS_WORD0) & 0x00a00000) != 0x00a00000) {
sdev->s.idle_waitcycles++;
}
}
#endif
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